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Showing 17951 to 18000 of 22070 works
Dynamics of Gravity Currents in Stratified Environments
This chapter presents important experimental and numerical findings regarding the dynamics of gravity currents in various stratified environments. First, the macro-and microstruct…
Impacts of rainfall spatiotemporal variability on pressurized flow conditions in urban drainage systems
Urban expansion and the increasing frequency and intensity of extreme precipitation events bring new challenges to stormwater collection systems. One underrecognized issue is the …
Clumped isotope thermometry in foraminifera as a tool in paleoceanography: New planktic and benthic data and constraint…
The carbonate ”clumped” isotope thermometer (Δ47) in foraminifera is increasingly being used to reconstruct ocean temperature. Here we address several less understood aspects of t…
The influence of parameterised shallow convection on trade-wind clouds and circulations in the HARMONIE-AROME mesoscale…
Mesoscale numerical weather prediction models currently operate at kilometre-scale and even sub-kilometre-scale resolutions. Although shallow cumulus convection is partly resolved…
Auroral and Non-Auroral H3+ ion winds at Uranus with Keck-NIRSPEC and IRTF-iSHELL
To date, no investigation has documented ionospheric flows at Uranus. Previous investigations of Jupiter and Saturn have demonstrated that mapping ion winds can be used to underst…
Contribution of tangential CMB-mantle flow between hot mantle plumes and cold downwellings to ULVZ formation and morpho…
Ultra-low velocity zones (ULVZs) above the core-mantle boundary (CMB) are seismically-observed structures that may be related to the liquid outer-core. As ”thin patches” of dramat…
Daytime thermospheric wind transients and circulation in May 2021
Changes in the thermospheric wind originating in storm-time transients in high-latitude Joule heating and ion circulation are effective in modifying conditions throughout Earth’s …
Deep learning improves prediction of the boreal summer intraseasonal oscillation using predictive source analysis
The Boreal Summer Intraseasonal Oscillation (BSISO) is a prominent tropical intraseasonal variability during summer. It propagates northeastward from the northern Indian Ocean to …
Ray Tracing of Whistler Mode Waves in Jupiter's Magnetosphere
Previous statistical studies have described the distributions and properties of whistler-mode waves in Jupiter’s magnetosphere, but explaining these wave distributions requires mo…
Durum Wheat with Yr78 and Common Wheat with Yr78 and Yr36 in Coupling Show Enhanced Stripe Rust Resistance
The adult plant resistance gene Yr78 provides durable resistance to stripe rust (Puccinia striiformis f. sp. tritici) in common wheat but has not been detected in durum wheat or o…
Connecting the past and the future to build sea-level scenarios
Sea level is rising and increasing the risk of flood, erosion and salt intrusion along the coastlines of the world. We describe the latest sea-level scenarios designed to help the…
Role of Viscosity on the Variability of Midnight Temperature Maximum in the Low-Latitude Thermosphere
This study utilizes the Global Ionosphere Thermosphere Model (GITM) to investigate and quantify the role of viscosity on neutral temperature patterns and horizontal wind behavi…
Problems with Greenhouse Gas Life Cycle Analyses of U.S. Liquefied Natural Gas Exports and Locally Produced Coal
Paris Agreement-compliant / IPCC-vetted temperature trajectory modeling is shown here. 1000 TWh/year is about the electricity consumption of Japan or the Russian Federation. T…
Examining the fidelity of Leith subgrid closures for parameterising mesoscale eddies in idealised and global (NEMO) oce…
Eddy-permitting models struggle to simulate accurate Southern Ocean circulation. In particular, the medium resolution Hadley Centre Global Coupled model in CMIP6 exhibits a warm S…
Cation Release Dynamics in Basalt-Amended Soils: Implications for Enhanced Rock Weathering
Climate change mitigation strategies increasingly focus on negative emission technologies, including enhanced weathering. This study investigates the relationship between cation r…
Energetics of (super)tidal baroclinic modes in a realistically forced global ocean simulation
In this study, we diagnose the spatial variability in the energetics of tidally generated diurnal, semidiurnal, and supertidal internal wave vertical modes (up to mode 6) in a 30-…
Contrasted trends in phytoplankton diversity, size structure and carbon burial efficiency in the Mediterranean Sea unde…
Shifts in the phytoplankton assemblage induced by environmental changes have significant implications for carbon cycling and marine food webs, but remain poorly constrained acro…
Geochemistry and tectonic characteristics of A-type granites at Nakora Area, MIS, Rajasthan, India
The Nakora Ring Complex (NRC) (732 Ma) is a part of the Malani Igneous Suite (MIS) in Rajasthan, India. This complex has three phases (1) intrusive (2) extrusive (3) dyke. Geoch…
Understanding and Projecting Terrestrial Hydroclimate Impacts on Coastal River Discharge using Explainable Deep Learning
River discharge to the ocean is crucial in determining coastal water quality. However, the impacts of terrestrial climate change on historical and future river discharges to the c…
Advancing Water Security in Brazilian Semi-arid: Expansion of Water Storage Infrastructure and Human-Water System Co-ev…
This paper aims at developing a conceptual understanding of how the search for water security might have unfolded in Upper Jaguaribe Basin, in the state of Ceará, Brazil. We analy…
Influence of Observational Temperature Datasets on ECS and TCR Estimates
Uncertainties in estimates of Equilibrium Climate Sensitivity (ECS) and Transient Climate Response (TCR) are influenced by observational datasets. Variability exists not just amon…
On the spatiotemporal dynamics within a mobile, rippled bed, part 1: Shear stress within the mobile sediment layer
Mobile sediment layer dynamics and the distribution of shear stress within mobile fluid-sediment mixtures are not well understood, particularly for oscillatory flows over rippled …
Instantaneous radiative effect of surface long wave spectral emissivity in a Snowball Earth simulation
Spectrally dependent emission by the surface (i.e., surface spectral emissivity) is commonly ignored by current climate models. Surface spectral emissivity matters more in cold an…
Impacts of Temperature- and Stress-Dependent Rheology on Ice-Shelf-Front Bending
Classical treatments of ice-shelf bending suggest that shelf fronts should bend downwards, due to the distribution of hydrostatic water pressure at the front. However, there are s…
Similarity Search for Auroral Phenomena in THEMIS All-Sky Images via Self-Supervised Learning
AGU 2024-iPosterSessions-an aMuze! Interactive system https://agu24.ipostersessions.com/Default.aspx?s=E0-2B-67-5C-28- ...
3-D MHD stability of magnetotail configurations with a B_z hump
Using three-dimensional MHD simulations, we explore the stability of magnetotail configurations that include a local enhancement of $B_z$ (a “$B_z$ hump”). We focus on configurati…
Growth stress in oysters during early Bartonian: effects of high temperature and low seasonality in the Indian palaeotr…
Earth’s climate experienced an extreme transition going from the Eocene hothouse into Oligocene icehouse conditions. The Middle Eocene Climatic Optimum (MECO ~41Ma) briefly interr…
Resolving Low Cloud Feedbacks Globally with HR-MMF: Agreement with LES but Stronger Shortwave Effects
This study investigates low cloud feedback in a warmer climate using global simulations from the high-resolution multi-scale modeling framework (HR-MMF), which explicitly simulate…
Miocene and Pliocene ice and air from the Allan Hills blue ice area, East Antarctica
Antarctic ice cores provide a unique archive of Earth's atmosphere and its largest ice sheet. The oldest continuous Antarctic ice core extends to 800,000 years before present, tho…
Insights into the influence of the Greenland Ice Sheet on oceanic macronutrient dynamics from a century of historical d…
Increasing freshwater discharge from the cryosphere has the potential to affect both the chemical and physical mechanisms that regulate supply of macronutrients to primary produce…
Investigating the Lid Effect on the Generation of Ocean Island Basalts: 2. Geodynamical Simulations
The concept that oceanic lithosphere mechanically limits upwelling and decompression melting of mantle plumes is known as the lid effect and is backed up by observations of ocean …
Assessing Water Source Stability in the Three River Source Region: A Comprehensive 35-Year Analysis
Terrestrial ecosystem water balance refers to the state between inputs from precipitation, and outputs including evapotranspiration, groundwater recharge and runoff. The Three Riv…
Dynamics of Polar-Equatorial Ionospheric Irregularities During the 10-13 October 2024 Superstorm
In this study, we analyze the atypical ionospheric irregularity patterns observed during the geomagnetic storm of October 10-13, 2024. This analysis is based on high-resolution Ra…
Assessing the Impact of Eastern Oyster (Crassostrea virginica) Aquaculture on Local Carbonate Chemistry in Narragansett…
Aquaculture is one of the fastest growing sectors in global seafood production. Previous studies have identified oysters' vulnerability to increasing atmospheric CO 2 and ocean ac…
ROLL-TO-ROLL PROCESSING OF SUSTAINABLE PACKAGING MATERIALS USING MODIFIED BIOPOLYMERS
Packaging is a vital requirement for the effective handling of electronic, food, textile, medical, and pharmaceutical items. The demand for more environmentally-friendly, biodegra…
Dominant biogeochemical processes in the Scotia Sea revealed by an inverse box model
An inverse box model of the Scotia Sea balances the Antarctic Circumpolar Current (ACC) heat, salt, mass and biogeochemical transports up to the 28.00 kg m -3 isoneutral. We con…
AGU24 -Climate classification systems: a tool for benchmarking climate models
Validation of climate models is essential to refine their physics and ensure their reliability for decision making. However, current validation methods primarily focus on individu…
Increased high flows in Germany under 1.5K, 2.0K and 3.0K warming based on a large regional climate model ensemble
Assessing the impact of anthropogenic warming on river high flows is essential for adaptation planning. This study evaluates the potential impacts of climate change on high flows …
A WYOMING-FOCUSED PERSPECTIVE ON HYDROGEN GENERATION AS AN ENERGY CARRIER
Wyoming’s demonstrated coal reserves have significant potential for hydrogen generation. This study explores the integration of natural resources and advanced technologies for hyd…
Observing floe-scale sea ice dynamics in the Fram Strait marginal ice zone
The Fram Strait is a key region for sea ice export, connecting the Arctic Ocean and the world ocean. Sea ice motion in the region is complex, with transitions from pack ice to the…
Urban site characterization using ambient noises captured by dark fibers in the telecommunication cables on the MIT cam…
In 2022, we used 5 days of ambient noise recorded by the telecom dark fiber on the campus of the Massachusetts Institute of Technology (MIT) for site characterization to analyze t…
Observing Interactions Between Waves, Winds, and Currents from SWOT
The Surface Water and Ocean Topography (SWOT) satellite mission enables, for the first time, two-dimensional (2D) mapping of significant wave height (Hs) at kilometer-scale resolu…
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